test_if_unless.cpp

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// Unit tests for if/unless attributes
// Author: Max Schwarz <max.schwarz@ais.uni-bonn.de>
 
#include <catch_ros/catch.hpp>
 
#include "../../src/launch/launch_config.h"
 
#include "param_utils.h"
 
using namespace rosmon::launch;
 
TEST_CASE("if/unless basic", "[if_unless]")
{
        LaunchConfig config;
        config.parseString(R"EOF(
                <launch>
                        <param if="false" name="test_if" value="hello" />
                        <param if="true" name="test_if" value="world" />
 
                        <param if="1" name="test_if_number" value="hello" />
                        <param if="0" name="test_if_number" value="world" />
 
                        <param unless="false" name="test_unless" value="hello" />
                        <param unless="true" name="test_unless" value="world" />
                </launch>
        )EOF");
 
        config.evaluateParameters();
 
        CAPTURE(config.parameters());
 
        auto& params = config.parameters();
        checkTypedParam<std::string>(params, "/test_if", XmlRpc::XmlRpcValue::TypeString, "world");
        checkTypedParam<std::string>(params, "/test_if_number", XmlRpc::XmlRpcValue::TypeString, "hello");
        checkTypedParam<std::string>(params, "/test_unless", XmlRpc::XmlRpcValue::TypeString, "hello");
}
 
TEST_CASE("if/unless invalid", "[if_unless]")
{
        using Catch::Matchers::Contains;
 
        REQUIRE_THROWS_WITH(
                LaunchConfig().parseString(R"EOF(<launch><param if="true" unless="true" name="test" value="test" /></launch>)EOF"),
                Contains("if") && Contains("unless")
        );
 
        REQUIRE_THROWS_AS(
                LaunchConfig().parseString(R"EOF(<launch><param if="unknown_value" name="test" value="test" /></launch>)EOF"),
                ParseException
        );
}